While Aladdin, Genie, and Abu are out of town for a diplomatic mission, Dominus Tusk attacks Agrabah. Jasmine is about to stop him, but her father tells her that it's too dangerous and he goes inside the palace to get something, with Iago following him. The Sultan and Iago go to a secret hiding place and find a statue of a muscular man named Kileem wearing armor. The Sultan tells Iago that his father told him the legends that the man wearing the armor becomes invincible and the armor should never be worn because of tragic consequences. He removes the armor from the Kileem statue and green smoke comes out of it.
Meanwhile, Jasmine can't wait for her father to return, so she hops on Carpet and fights Tusk, but the minotaur hits her. The Sultan shows up wearing the armor and fights him. The armor makes him faster and stronger. After defeating Dominus Tusk, the Sultan starts acting a little strange. The next day, Aladdin, Genie, and Abu return to the city with a man named Akim, who is an ambassador of a city called Ganastan. When they enter the palace, they see that the throne room is filled with weapons and Tusk's horns and the Kileem statue is on the right side of the room.
Jasmine and Iago show up and tell them that the Sultan defeated Dominus Tusk. The Sultan, who is still in the armor, shows up and meets Akim. When the ambassador says "your stature", the Sultan becomes uncontrollably angry. Everyone realizes that the armor not only made him faster and stronger, but it also changed his personality.
Later, Aladdin and Jasmine peek into the Sultan's toy room. Jasmine tells Aladdin that the only time he comes out of the room is when he trains the palace guards. When the Sultan comes out of the toy room, Aladdin takes a lock out of his vest so he and Jasmine can enter. Meanwhile, when the Sultan is training the guards with a rope, he calls Genie to use him as his opponent to teach the guards. Back in the Sultan's toy room, which is filled with various maps and scrolls, Aladdin and Jasmine read each scroll that talks about Kileem, who ruled Agrabah with an iron fist with his magic armor that made him "strong as stone". As he lay dying, Kileem left a dark promise that his legacy would return for the next person to don his armor. They then conclude that the armor cursed the Sultan and that Kileem is in his body. They then see a map that shows that Kileem will make the Sultan conquer all of the Seven Deserts.
The Sultan enters the room and Aladdin hides behind a tapestry and Jasmine hides under a table. But the Sultan finds Jasmine and the princess tells him that she approves of his invasion plans. Aladdin later comes up with a plan to trick the Sultan into removing his armor. He and his friends, except for Iago and Jasmine, take the Sultan to the cliffs. Aladdin tells him that he has to cross the river in order to get to Ganastan. When the Sultan is angry about the group taking him to a river, Genie blasts the Sultan with his magic, making him fall in the water. He tries to swim back up but the armor he's wearing is too heavy. Aladdin and the others wait for the Sultan to come out without the armor, but then they see that the air bubbles stopped appearing.
Aladdin makes Genie go in the water to see if the Sultan is alright, but the Sultan comes out of the sand behind Aladdin and starts fighting him. Aladdin, Genie, and Abu hop on Carpet to fly away, but the Sultan hits them with a palm tree knocking them down. Meanwhile, Jasmine is looking out of the window waiting for the group to come back. Iago believes that the Sultan wearing armor is the best thing that ever happened to them, only for Razoul and the other guards to arrest the princess and the bird by order of the Sultan. In The dungeon, the Sultan enters and tells Jasmine that she will be executed.
Meanwhile, Aladdin, Genie, Abu and Carpet are at an oasis. After waking up they fly back to Agrabah. Meanwhile, Jasmine is at a high tower about to be executed. When she gets to the platform, Razoul begs Jasmine for forgiveness and winks at her. Jasmine realizes that Razoul is trying to help her and he cuts the handcuffs allowing her to escape. The Sultan throws the princess off the tower, but Aladdin catches her. The Sultan sees that they're still alive and he jumps off the tower and lands on Carpet, who falls to the ground. Jasmine then tells Genie not to hold back, for the Sultan isn't her father. Realizing the seriousness of the situation, Genie transforms into a robot and starts blasting the Sultan with his laser cannon. At the same time, the group hears, Iago, who is in a cage in the throne room, crying for help. When the group goes to the parrot, he points them towards Kileem's statue. Though Aladdin thinks that it's harmless, he is proven wrong, as the statue's eyes are glowing green. Realizing the truth to the meaning "strong as stone" meant that the statue itself empowers the armor and allows the spirit of Kileem to possess the Sultan, Aladdin runs towards it, but is repulsed by a blast of energy. Recovering, he declares that they have to destroy the statue. However, the Sultan appears, having beaten Genie after he mistakenly transformed into a toaster, proclaiming that the statue can't be destroyed... at least not by Aladdin.
Genie turns into a rocket and targets the statue, but instead he almost makes the palace explode. The Kileem statue is hanging over the edge with the Sultan hanging on to the statue, about to fall. The Sultan becomes his normal self when he asks them to help him, but when Aladdin does so, he turns into Kileem again and he throws Aladdin off the balcony. Luckily, Carpet manages to rescue Aladdin. The Sultan then climbs up to the balcony, but the statue's heavy weight makes the balcony collapse.
The Sultan runs to Aladdin, who dodges, making him crash into a slab of stone, breaking it, which gives him an idea. He stands in front of the Kileem statue and the Sultan runs towards him. As Aladdin jumps out of the way, the Sultan realizes too late what he had done and crashes into the statue, breaking it. Kileem's spirit comes out of the statue and explodes, causing the armor to break apart. Everyone is happy that the Sultan is back to normal.
- The moment the Sultan has defeated Dominus Tusk, Jasmine runs up to him - but she has instantly changed from the dark purple warrior's attire to her normal blue clothes.
- Even though the fight to save the sultan is at night, the scenes in the throne room show it's daytime.